/*
 * footer.css — Squad Website Theme brand footer.
 *
 * Dark ink surface with a gradient top rule, reversed lockup, publisher
 * attribution, social row, three link columns, and a bottom bar. Consumes the
 * --squad-* tokens. Columns collapse 3 → 2 → 1 with viewport. Mirrors the
 * prototype footer in _reference.
 *
 * @author Al Amin Ahamed
 * @since  4.0.0
 */

.squad-footer {
	position: relative;
	overflow: hidden;
	padding-block: 64px 28px;
	background-color: var(--squad-ink);
	background-image: var(--squad-grid-tex);
	background-size: 52px 52px;
	color: rgba(255, 255, 255, 0.66);
}

/* Gradient top rule. */
.squad-footer::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: var(--squad-grad-stem);
}

.squad-footer__inner {
	width: 100%;
	max-width: var(--squad-maxw);
	margin-inline: auto;
	padding-inline: var(--squad-gutter);
}

/* ---- Top: brand + link columns ------------------------------------- */
.squad-footer__top {
	display: grid;
	grid-template-columns: 1.6fr 1fr 1fr 1fr;
	gap: 40px;
}

.squad-footer__brand .squad-logo {
	display: inline-flex;
	margin-bottom: 16px;
}

.squad-footer__brand .squad-logo img {
	height: 40px;
	width: auto;
}

.squad-footer__desc {
	font-size: 0.9rem;
	max-width: 34ch;
}

.squad-footer__pub {
	font-size: 0.82rem;
	margin-top: 12px;
}

.squad-footer__pub a {
	color: var(--squad-lavender);
	font-weight: var(--squad-fw-semibold);
}

/* ---- Social row ---------------------------------------------------- */
.squad-footer__social {
	display: flex;
	gap: 10px;
	margin-top: 20px;
}

.squad-footer__social a {
	width: 38px;
	height: 38px;
	border-radius: 11px;
	background: rgba(255, 255, 255, 0.07);
	color: var(--squad-white);
	display: grid;
	place-items: center;
	transition: background 0.25s var(--squad-ease), transform 0.25s var(--squad-ease);
}

.squad-footer__social a:hover {
	background: var(--squad-violet);
	transform: translateY(-2px);
}

/* ---- Link columns -------------------------------------------------- */
.squad-footer__col h2 {
	margin: 0 0 16px;
	font-size: 0.72rem;
	font-weight: var(--squad-fw-extrabold);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--squad-lavender);
}

.squad-footer__col ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 11px;
}

.squad-footer__col a {
	font-size: 0.9rem;
	color: inherit;
	transition: color 0.2s var(--squad-ease);
}

.squad-footer__col a:hover {
	color: var(--squad-white);
}

/* ---- Bottom bar ---------------------------------------------------- */
.squad-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-top: 48px;
	padding-top: 24px;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	font-size: 0.82rem;
}

/* ---- Responsive: collapse columns 3 → 2 → 1 ------------------------ */
@media (max-width: 880px) {
	.squad-footer__top {
		grid-template-columns: 1fr 1fr;
		gap: 32px;
	}

	.squad-footer__brand {
		grid-column: 1 / -1;
	}
}

@media (max-width: 520px) {
	.squad-footer__top {
		grid-template-columns: 1fr;
	}
}